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1f7d2a2887
Reviewed-by: Neil Horman <nhorman@openssl.org> Reviewed-by: Tomas Mraz <tomas@openssl.org> (Merged from https://github.com/openssl/openssl/pull/25429)
240 lines
7.5 KiB
C
240 lines
7.5 KiB
C
/*
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* Copyright 1995-2024 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <stdio.h>
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#include "internal/cryptlib.h"
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#include <openssl/objects.h>
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#include <openssl/asn1t.h>
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#include <openssl/x509.h>
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#include "x509_local.h"
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#include <crypto/x509.h>
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/*-
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* X509_ATTRIBUTE: this has the following form:
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*
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* typedef struct x509_attributes_st
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* {
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* ASN1_OBJECT *object;
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* STACK_OF(ASN1_TYPE) *set;
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* } X509_ATTRIBUTE;
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*
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*/
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ASN1_SEQUENCE(X509_ATTRIBUTE) = {
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ASN1_SIMPLE(X509_ATTRIBUTE, object, ASN1_OBJECT),
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ASN1_SET_OF(X509_ATTRIBUTE, set, ASN1_ANY)
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} ASN1_SEQUENCE_END(X509_ATTRIBUTE)
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IMPLEMENT_ASN1_FUNCTIONS(X509_ATTRIBUTE)
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IMPLEMENT_ASN1_DUP_FUNCTION(X509_ATTRIBUTE)
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X509_ATTRIBUTE *X509_ATTRIBUTE_create(int nid, int atrtype, void *value)
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{
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X509_ATTRIBUTE *ret = NULL;
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ASN1_TYPE *val = NULL;
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ASN1_OBJECT *oid;
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if ((oid = OBJ_nid2obj(nid)) == NULL)
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return NULL;
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if ((ret = X509_ATTRIBUTE_new()) == NULL)
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return NULL;
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ret->object = oid;
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if ((val = ASN1_TYPE_new()) == NULL)
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goto err;
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if (!sk_ASN1_TYPE_push(ret->set, val))
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goto err;
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ASN1_TYPE_set(val, atrtype, value);
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return ret;
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err:
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X509_ATTRIBUTE_free(ret);
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ASN1_TYPE_free(val);
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return NULL;
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}
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static int print_oid(BIO *out, const ASN1_OBJECT *oid) {
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const char *ln;
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char objbuf[80];
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int rc;
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if (OBJ_obj2txt(objbuf, sizeof(objbuf), oid, 1) <= 0)
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return 0;
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ln = OBJ_nid2ln(OBJ_obj2nid(oid));
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rc = (ln != NULL)
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? BIO_printf(out, "%s (%s)", objbuf, ln)
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: BIO_printf(out, "%s", objbuf);
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return (rc >= 0);
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}
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int ossl_print_attribute_value(BIO *out,
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int obj_nid,
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const ASN1_TYPE *av,
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int indent)
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{
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ASN1_STRING *str;
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unsigned char *value;
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X509_NAME *xn = NULL;
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int64_t int_val;
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int ret = 1;
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switch (av->type) {
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case V_ASN1_BOOLEAN:
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if (av->value.boolean) {
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return BIO_printf(out, "%*sTRUE", indent, "") >= 4;
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} else {
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return BIO_printf(out, "%*sFALSE", indent, "") >= 5;
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}
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case V_ASN1_INTEGER:
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case V_ASN1_ENUMERATED:
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if (BIO_printf(out, "%*s", indent, "") < 0)
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return 0;
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if (ASN1_ENUMERATED_get_int64(&int_val, av->value.integer) > 0) {
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return BIO_printf(out, "%lld", (long long int)int_val) > 0;
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}
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str = av->value.integer;
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return ossl_bio_print_hex(out, str->data, str->length);
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case V_ASN1_BIT_STRING:
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if (BIO_printf(out, "%*s", indent, "") < 0)
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return 0;
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return ossl_bio_print_hex(out, av->value.bit_string->data,
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av->value.bit_string->length);
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case V_ASN1_OCTET_STRING:
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case V_ASN1_VIDEOTEXSTRING:
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if (BIO_printf(out, "%*s", indent, "") < 0)
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return 0;
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return ossl_bio_print_hex(out, av->value.octet_string->data,
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av->value.octet_string->length);
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case V_ASN1_NULL:
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return BIO_printf(out, "%*sNULL", indent, "") >= 4;
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case V_ASN1_OBJECT:
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if (BIO_printf(out, "%*s", indent, "") < 0)
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return 0;
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return print_oid(out, av->value.object);
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/*
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* ObjectDescriptor is an IMPLICIT GraphicString, but GeneralString is a
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* superset supported by OpenSSL, so we will use that anywhere a
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* GraphicString is needed here.
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*/
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case V_ASN1_GENERALSTRING:
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case V_ASN1_GRAPHICSTRING:
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case V_ASN1_OBJECT_DESCRIPTOR:
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return BIO_printf(out, "%*s%.*s", indent, "",
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av->value.generalstring->length,
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av->value.generalstring->data) >= 0;
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/* EXTERNAL would go here. */
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/* EMBEDDED PDV would go here. */
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case V_ASN1_UTF8STRING:
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return BIO_printf(out, "%*s%.*s", indent, "",
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av->value.utf8string->length,
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av->value.utf8string->data) >= 0;
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case V_ASN1_REAL:
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return BIO_printf(out, "%*sREAL", indent, "") >= 4;
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/* RELATIVE-OID would go here. */
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/* TIME would go here. */
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case V_ASN1_SEQUENCE:
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switch (obj_nid) {
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case NID_undef: /* Unrecognized OID. */
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break;
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/* Attribute types with DN syntax. */
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case NID_member:
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case NID_roleOccupant:
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case NID_seeAlso:
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case NID_manager:
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case NID_documentAuthor:
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case NID_secretary:
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case NID_associatedName:
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case NID_dITRedirect:
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case NID_owner:
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/*
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* d2i_ functions increment the ppin pointer. See doc/man3/d2i_X509.pod.
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* This preserves the original pointer. We don't want to corrupt this
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* value.
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*/
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value = av->value.sequence->data;
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xn = d2i_X509_NAME(NULL,
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(const unsigned char **)&value,
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av->value.sequence->length);
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if (xn == NULL) {
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BIO_puts(out, "(COULD NOT DECODE DISTINGUISHED NAME)\n");
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return 0;
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}
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if (X509_NAME_print_ex(out, xn, indent, XN_FLAG_SEP_CPLUS_SPC) <= 0)
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ret = 0;
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X509_NAME_free(xn);
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return ret;
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default:
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break;
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}
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return ASN1_parse_dump(out, av->value.sequence->data,
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av->value.sequence->length, indent, 1) > 0;
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case V_ASN1_SET:
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return ASN1_parse_dump(out, av->value.set->data,
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av->value.set->length, indent, 1) > 0;
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/*
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* UTCTime ::= [UNIVERSAL 23] IMPLICIT VisibleString
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* GeneralizedTime ::= [UNIVERSAL 24] IMPLICIT VisibleString
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* VisibleString is a superset for NumericString, so it will work for that.
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*/
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case V_ASN1_VISIBLESTRING:
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case V_ASN1_UTCTIME:
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case V_ASN1_GENERALIZEDTIME:
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case V_ASN1_NUMERICSTRING:
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return BIO_printf(out, "%*s%.*s", indent, "",
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av->value.visiblestring->length,
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av->value.visiblestring->data) >= 0;
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case V_ASN1_PRINTABLESTRING:
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return BIO_printf(out, "%*s%.*s", indent, "",
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av->value.printablestring->length,
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av->value.printablestring->data) >= 0;
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case V_ASN1_T61STRING:
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return BIO_printf(out, "%*s%.*s", indent, "",
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av->value.t61string->length,
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av->value.t61string->data) >= 0;
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case V_ASN1_IA5STRING:
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return BIO_printf(out, "%*s%.*s", indent, "",
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av->value.ia5string->length,
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av->value.ia5string->data) >= 0;
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/* UniversalString would go here. */
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/* CHARACTER STRING would go here. */
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/* BMPString would go here. */
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/* DATE would go here. */
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/* TIME-OF-DAY would go here. */
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/* DATE-TIME would go here. */
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/* DURATION would go here. */
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/* OID-IRI would go here. */
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/* RELATIVE-OID-IRI would go here. */
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/* Would it be appropriate to just hexdump? */
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default:
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return BIO_printf(out,
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"%*s<Unsupported tag %d>",
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indent,
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"",
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av->type) >= 0;
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}
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}
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